q-bies

New kdb+/q users question forum

Developers new to q/kdb+

Forum Posts

Sorted by:

Start a conversation

Resolved! How to remove or add items from a list

Hello, I know this is answered somewhere but I can't find it! I have two lists and they're slightly different lengths. How can I add or remove the first or last items in the lists? There are a few nulls at the start and end of each list and I think t...

Python not working in Q

Hello I have installed embedpy and jupyterq but can't use python in a Q terminal. I also can't use Q in jupyter but I can use python in jupyter. I get the following error any time I try to use python in a Q console. What does this error mean? I haven...

Generating unique symbol list does not consider symbols after `p

Hi Experts, I am trying to generate symbol list of each symbol of length 1, however it does work till 16 & considers only symbol till `p but fails when length is more than 16. L1:-16?`1; //worksasc L1 //`a`b`c`d`e`f`g`h`i`j`k`l`m`n`o`p L1:-17?`1; //'...

Resolved! KDB process unable to process request

Sometimes, the HDB process that queries historical data becomes unable to process requests.It does not appear to occur periodically and the values for RECV-Q do not change over time. Timeout is not an indefinite period of 60 seconds.Is there a way to...

Resolved! apply the function, pass the return value to the function again, multiple rounds

I have a list of symbols, say `A`B`C. I have a table tab0; A function that takes in a table plus a string as arguments. tab1: f[tab0;`A] tab2: f[tab1;`B] tab3: f[tab2;`C] I only care about the final values. But my list of symbols can be long and can ...

Top Kudoed Authors

User

Count

6

2

1

1

Main Office Contacts

Useful Information

Resources

Popular Links

Follow Us

youtube

instagram

KX. All Rights Reserved.

KX and kdb+ are registered trademarks of KX Systems, Inc., a subsidiary of FD Technologies plc.

Export Statement

Processing Notice